•Isikhathi sokugeza singasethwa kusuka ku-2 kuya ku-30 min;izinga lokushisa lokuhlanza lingasethwa futhi.
•Amandla ayazinqamula uma amanzi engekho.
•Isistimu yokukhipha amanzi yangaphandle yenza kube lula ukushintsha uketshezi lokuwasha.
• Ubhasikidi okhethekile udizayinelwe izisetshenziswa zamaminithi athambile okufanele angangqubuzani futhi aqiniswe, isibonelo, izinjini zomoya zezandla ezinesivinini esikhulu kanye nesivinini esiphansi.
•Sula ipuleti lokusebenza elinesibonisi esidijithali lenza kube lula ukusebenza.